O le faʻatonuga o le faʻaogaina o le hydroxyethyl cellulose Hydroxyethyl cellulose (HEC) o se polymer faʻaaogaina i alamanuia eseese mo lona mafiafia, fusifusia, faʻamautu, ma mea e teu ai vai. O ona fa'atonuga fa'atatau e mafai ona fesuisuia'i e fa'atatau i le alamanuia fa'apitoa ma le fa'atulagaina o oloa...
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